mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-13 03:22:28 +00:00
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <vapours.hpp>
|
|
#include "kern_cpu_system_registers.hpp"
|
|
|
|
namespace ams::kern::arm64::cpu {
|
|
|
|
/* Helpers for managing memory state. */
|
|
ALWAYS_INLINE void DataSynchronizationBarrier() {
|
|
__asm__ __volatile__("dsb sy");
|
|
}
|
|
|
|
ALWAYS_INLINE void DataSynchronizationBarrierInnerShareable() {
|
|
__asm__ __volatile__("dsb ish");
|
|
}
|
|
|
|
ALWAYS_INLINE void DataMemoryBarrier() {
|
|
__asm__ __volatile__("dmb sy");
|
|
}
|
|
|
|
ALWAYS_INLINE void InstructionMemoryBarrier() {
|
|
__asm__ __volatile__("isb");
|
|
}
|
|
|
|
ALWAYS_INLINE void EnsureInstructionConsistency() {
|
|
DataSynchronizationBarrier();
|
|
InstructionMemoryBarrier();
|
|
}
|
|
|
|
ALWAYS_INLINE void InvalidateEntireInstructionCache() {
|
|
__asm__ __volatile__("ic iallu" ::: "memory");
|
|
EnsureInstructionConsistency();
|
|
}
|
|
|
|
/* Cache management helpers. */
|
|
void FlushEntireDataCacheShared();
|
|
void FlushEntireDataCacheLocal();
|
|
|
|
ALWAYS_INLINE void InvalidateEntireTlb() {
|
|
__asm__ __volatile__("tlbi vmalle1is" ::: "memory");
|
|
EnsureInstructionConsistency();
|
|
}
|
|
|
|
}
|